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Software Developer Jobs In O Fallon, Illinois - 129 Job Positions Available

1 – 20 of 129 jobs
First Bank jobs

About this Role The Senor Software Developer - API Integration role is an on-site hybrid role, located in Creve Coeur, MO. This role is key to modernizing the bank’s technology by replacing legacy workflow systems and establishing a

First Bank  9 days ago
World Wide Technology jobs

Requirements: Strong experience with IAM concepts such as OAuth & OpenID Connect, SAML, etc is required Prior experience with enterprise grade identity providers preferred (ex: Okta) Passion for Software Development and well-versed in industry trends such as

World Wide Technology  20 days ago
LSEG jobs

We have an immediate opening for a low-latency C++ developer. We’re building the next generation of capital markets technology. Global capital markets are an ocean of fast-moving, interrelated and complex data. We are looking for passionate and

LSEG  17 days ago
Equifax jobs

Equifax is where you can power your possible. If you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds, and make a meaningful impact, we want to hear from

Equifax  10 days ago
World Wide Technology jobs

REQUIRED QUALIFICATIONS: Bachelor’s degree in Computer Science, MIS, or related field, or equivalent experience 5+ years of professional development experience with a strong full-stack focus 5+ years of experience with JavaScript and Node.js, building production APIs,

World Wide Technology  9 days ago
World Wide Technology jobs

Qualifications Bachelors or Masters or MBA degree in preferably Computer Science, Management Information Systems or Supply Chain 10+ years experience in application development Technical Leadership: Ability to lead and guide multiple teams, make decisions and provide

World Wide Technology  3 days ago
Syms Strategic Group, LLC (SSG) jobs

Syms Strategic Group (SSG) is seeking a talented Senior Systems Engineer (Angular) Location: Remote Department: Veterans Affairs (VA) Type: Full Time Min. Experience: Experienced Security Clearance Level: Public Trust Salary Range: $85,389 - $116,975 Military Veterans

Syms Strategic Group, LLC (SSG)  2 days ago
PetIQ jobs

Qualifications Bachelors or Masters or MBA degree in preferably Computer Science, Management Information Systems or Supply Chain 10+ years experience in application development Technical Leadership: Ability to lead and guide multiple teams, make decisions and provide

PetIQ  2 days ago
World Wide Technology jobs

Required Skills Bachelors or Masters or MBA degree in Computer Science, Management Information Systems, or Supply Chain 8+ years of experience with various technologies such as: Development: JavaScript/Node.js/Vue.js, Groovy/Grails, Java/Springboot, and Software AG webMethods Database Technologies: Mongo

World Wide Technology  2 days ago
PetIQ jobs

REQUIRED QUALIFICATIONS: Bachelor’s degree in Computer Science, MIS, or related field, or equivalent experience 5+ years of professional development experience with a strong full-stack focus 5+ years of experience with JavaScript and Node.js, building production APIs,

PetIQ  2 days ago
PetIQ jobs

Required Skills Bachelors or Masters or MBA degree in Computer Science, Management Information Systems, or Supply Chain 8+ years of experience with various technologies such as: Development: JavaScript/Node.js/Vue.js, Groovy/Grails, Java/Springboot, and Software AG webMethods Database Technologies: Mongo

PetIQ  2 days ago
PetIQ jobs

Requirements: This position requires US Citizenship to support customer engagements and projects subject to specific contractual requirements. Strong experience with IAM concepts such as OAuth & OpenID Connect, SAML, etc is required Prior experience with enterprise

PetIQ  2 days ago
PetIQ jobs

Qualifications 3–6 years of backend or platform development experience Strong experience with distributed or asynchronous systems Experience designing event‑driven or message‑oriented architectures Proficiency designing APIs and service‑to‑service communication Strong system‑level debugging and problem‑solving skills Familiarity with

PetIQ  2 days ago
World Wide Technology jobs

Preferred Qualifications Experience with the following technologies: Vue.js, Node.js, GraphQL, SOLR, SQL, Mongo, PostgreSQL Experience writing automated tests using modern testing frameworks. Familiarity with Agile development practices. Exposure to CI/CD pipelines and modern DevOps practices. Interest

World Wide Technology  1 day ago
MAXIMUS jobs

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS195, T3, Band 6 Job-Specific Essential Duties and Responsibilities: - Designs, develops, trains, evaluates, and integrates AI/ML models and algorithms supporting Government operational systems - Prepares

MAXIMUS  28 days ago
LanceSoft Inc jobs

This job is with Encode, Inc a fully owned subsidiary of Lancesoft Job Details: Title            : Software Developer AWS Location    : St Louis, MO Clearance : Top secret Type          :

Sprockets USA  11 hours ago
World Wide Technology jobs

Qualified applicants will have: Bachelors, Masters or MBA degree preferably in computer science or Management Information Systems; A combination of education, training and experience may be considered in lieu of a degree. Minimum of 7 years’

World Wide Technology  28 days ago
ORSA Technologies LLC jobs

Roles and Responsibilities: ONSITE YUMA, AZ Responsible for performing independent research and providing science and emerging technology expertise based on that research, in support of experimentation and technical demonstrations for US Marine Corps Operational Test and

ORSA Technologies LLC  27 days ago
LangChain jobs

About Us At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on.

LangChain  21 days ago
Freedom Technology Solutions Group jobs

Freedom Technology Solutions Group is seeking a skilled and detail-oriented Database Administrator (DBA) to support the design, implementation, administration, maintenance, and optimization of enterprise database environments. The Database Administrator will ensure the availability, performance, integrity, and

Freedom Technology Solutions Group  15 days ago

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